Self-focusing of a high-intensity laser in a collisional plasma under weak relativistic-ponderomotive nonlinearity
Gupta, D.N. and Islam, Mohammad and Jang, D.G. and Suk, H. and Jaroszynski, Dino (2013) Self-focusing of a high-intensity laser in a collisional plasma under weak relativistic-ponderomotive nonlinearity. Physics of Plasmas, 20 (12). 123103. ISSN 1070-664X (https://doi.org/10.1063/1.4838195)
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Self-focusing a laser beam in collisional plasma is investigated under the weak relativistic-ponderomotive nonlinearity. In this case, the plasma equilibrium density is modified and it causes generation of the nonlinearity due to the Ohmic heating of electrons, collisions, and the weak relativistic-ponderomotive force during the interaction of the laser beam with the plasma. Our theoretical and simulation results show that a significant nonlinearity in laser self-focusing can occur under the weak relativistic-ponderomotive regime for some appropriate simulation parameters.
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Item type: Article ID code: 46559 Dates: DateEvent9 December 2013PublishedSubjects: Science > Physics Department: Faculty of Science > Physics
Technology and Innovation Centre > Advanced Science and TechnologyDepositing user: Pure Administrator Date deposited: 24 Jan 2014 10:52 Last modified: 22 Jun 2024 21:08 URI: https://strathprints.strath.ac.uk/id/eprint/46559